#-*- coding:UTF-8 -*-



def get_argument(handler, *args):
    if len(args) == 0:
        return
    elif len(args) == 1:
        return handler.get_argument(args[0], '')
    else:
        return [handler.get_argument(x, '') for x in args]


def get_arguments(handler, *args):
    if len(args) == 0:
        return
    elif len(args) == 1:
        return handler.get_arguments(args[0])
    else:
        return [handler.get_arguments(x) for x in args]

